JPH0677648B

Method and device wherein electrodes (11,12) are disposed in the vicinity of inlet and outlet portions of the gas-liquid separation region (5) in the flow passage of electroconductive gas-liquid two phase flows (3) so as to flow an electric current thereto; a magnet (17) is disposed in the gas-liquid separation region (5) of the flow passage so as to generate the magnetic field perpendicular to the current and to act an electromagnetic force along the flow passage wall (7) on the electroconductive liquid and thereby separating the electroconductive gas-liquid two phase flows (3) into gas phase and liquid phase; further, a hydrophobic porous material having water permeability is employed as the flow passage wall (7) in the gas-liquid separation region (5); the gas-liquid separation region (5) is disposed in a reduced pressure region (8); and the separated gas phase is effectively removed out of the flow passage.